iframe{
    border: 0;
    padding-left: 0;
}
html{
    border: 0;
    padding: 0;
}
body{
    border: 0;
    padding: 0;
}
a{
    text-decoration: none;
    color: black;
}
ul{
    margin: 0;
    padding: 0;
}
li{
    list-style: none;
    padding: 0;
    margin: 0;
}
.xiaoshi{
    display: none;
}
#wrapper{
    width:100%;
    /*height: 873px;*/
    position: relative;
    /*border: 1px solid black;*/
}